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The Physical Status of VW Cephei

Published online by Cambridge University Press:  14 August 2015

Albert P. Linnell
Albert P. Linnell*
Affiliation:
Dep't. of Astronomy and Astrophysics, Michigan State Univ., E. Lansing, Michigan, U.S.A.

Abstract

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The decreasing period of VW Cep, interpreted on conservative case mass transfer, implies mass flow from primary to secondary. The TRO theory then predicts semi-detached status. The system b-v color is the same at the two minima, to within observational error. This is in marginal disagreement with a hot secondary. It also implies close thermal contact, in disagreement with the postulated semi-detached status.

Type
IX. Contact Binaries
Information
Symposium - International Astronomical Union , Volume 88: Close Binary Stars: Observations and Interpretation , 1980 , pp. 505 - 509
Copyright
Copyright © Reidel 1980 

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